Fire-alarm



(No Model.)

F. A COPELAND.

FIRE ALARM.

Patented Oct. 9, 1883.

Fig. 4. m

INVENTOR J J 6be ATTORNEYS.

N ETERiPhmwLMogmphc I UNITED STATES PATENT OFFICE.

FREDERICK A. COPELAND,

OF LA CROSSE, \VISCONSTN.

FIRE-ALARM.

SPECIFICATION forming part of Letters Patent No. 286,393, dated October 9, 1883.

Application filed May 3, 1883. (No model.)

and useful Improvement in Fire-Alarms; and

I do hereby declare that the following is a full, clear, and exact description of the same, ref erence being had to the accompanying drawings, forming part of this specification, in which 7 Figure 1 is a side elevation, partly in section, of my improved fire-alarm; and Fig. 2is a central section of tube E.

Similar letters indicate like parts in both the figures.

My invention relates to improvements in electrical fire-a1 arms for hotels an d other buildings; and it consists in the peculiar construc tion and arrangement of the parts, as hereinafter more fully set forth, and pointed out in the claim.

In the accompanying drawings, A repre sents a curved arm secured to the wall of a room just over an ordinary electric push-button, B.

C represents a sleeve fitting over an d adapted to slide on the curved arm A, and provided at its upper end with the weight D.

E represents a tube secured to the wall of a room near its ceiling, to the interior of which is secured by a composition, F, that melts at 150 Fahrenheit, or at a low temperature, an interior concentric tube, c. a represents a wire connecting theinterior tube, 6, with the weighted sleeve C D. Should a fire occur in the room, the cement would melt and allow the interior tube, (2, to fall, whereby the weighted sleeve C D would be carried around by gravity on the curved arm A, so as to come in contact with the push-button B, thereby closing the circuit and giving the alarm at the office.

Having thus described my invention, what l claim as new, and desire to secure by Letters Patent, is-

The combination, with the curved arm A and push-button B, secured to the wall of a room, of the weighted sleeve C D, wire (1, and tubes E 12, secured by the composition F, substantially as described, and for the purpose set forth.

FREDERICK A. COPELAND.

\Vitnesses:

Guo. H. Connor, (1. B. Burrow. 

